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Boy making greeting card according to the picture on the digital tablet, view from the top
Portrait happy father holding cute son with down syndrome in summer backyard
Architect or engineer are designing house, modifying plan, creating construction project and addition according to customer requirement.
Senior man throwing paper waste, cardboards into recycling container in front apartment. Elderly man sorting the waste according to material into colored bins.
Common bacteria infecting human. vector illustration Bacteria are classified into 5 groups according to their basic shapes: cocci, bacilli, spiral (spirilla), vibrios or corkscrew (spirochaetes).

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